Protractor



FIG. 1 is a front perspective view of the protractor;

FIG. 2 is a front elevation view of the protractor shown in FIG. 1;

FIG. 3 is a top plan view of the protractor shown in FIG. 1;

FIG. 4 is a bottom plan view of the protractor shown in FIG. 1;

FIG. 5 is a rear elevation view of the protractor shown in FIG. 1;

FIG. 6 is a left end elevation view of the protractor shown in FIG. 1; and,

FIG. 7 is a right end elevation view of the protractor shown in FIG. 1. 

The ornamental design for a protractor, as shown and described. 